B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
26/197
B29D 11/00 (2006.01) G02B 6/36 (2006.01) G02B 6/38 (2006.01)
Patent
CA 1213424
MIRROR MECHANISM FOR FUSION-SPLICING APPARATUS Abstract of the Disclosure Apparatus for fusion-splicing two optical fibers, comprises a pair of supports each arranged to support one of said fibers in end-to-end relationship to the other fiber such that the juxtaposed ends of said fibers are juxtaposed in a predetermined region between said supports. Electrode means for generating a spark discharge in said region for heating the end portions of fibers inserted therein, conveniently comprises a pair of electrodes disposed one each side of the alignment axis for the fibers. Alignment of the fibers is monitored by viewing them with the aid of mirror means having a mirror surface inclined relative to a common plane of the alignment axis for the fibers and a predetermined viewing direction. The mirror surface provides an image corresponding to a view of said fibers taken in a direction transverse to said viewing direction. Spattering of the mirror during the heating process is avoided by displacing said mirror means in said viewing direction between a first position close to said alignment axis, wherein said mirror means can provide said image, and a second position further away from said alignment and the viewpoint. Because the mirror is not displaced sideways, i.e. along the alignment axis, the fibers can be gripped very close to their ends to minimize flexing which can arise due to surface tension effects and cause realignment of the fibers during the fusion step. -(i)-
440994
Lukas Helmut H.
Pacey Grant K.
Adams Thomas
Northern Telecom Limited
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